Spark Investment Management LLC - AMPHASTAR PHARMACEUTICALS IN ownership

AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 60 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Spark Investment Management LLC ownership history of AMPHASTAR PHARMACEUTICALS IN
ValueSharesWeighting
Q4 2015$1,193,000
-14.2%
83,900
-29.6%
0.15%
-16.0%
Q3 2015$1,391,000
-33.6%
119,2000.0%0.18%
-38.2%
Q2 2015$2,094,000
+17.6%
119,2000.0%0.29%
+17.7%
Q1 2015$1,780,000
+312.0%
119,200
+219.3%
0.25%
+241.1%
Q4 2014$432,000
+75.6%
37,334
+76.1%
0.07%
+97.3%
Q3 2014$246,00021,2000.04%
Other shareholders
AMPHASTAR PHARMACEUTICALS IN shareholders Q1 2015
NameSharesValueWeighting ↓
Campbell & CO Investment Adviser LLC 11,961$219,0000.13%
FEDERATED HERMES, INC. 3,441,367$63,046,0000.12%
CORNERCAP INVESTMENT COUNSEL INC 54,751$1,003,0000.11%
GSA CAPITAL PARTNERS LLP 34,425$631,0000.10%
First Trust Direct Indexing L.P. 11,913$218,0000.06%
Summit Global Investments 47,546$871,0000.06%
WINTON GROUP Ltd 49,766$912,0000.05%
FULLER & THALER ASSET MANAGEMENT, INC. 397,950$7,290,0000.05%
AIGEN INVESTMENT MANAGEMENT, LP 16,077$295,0000.04%
EXCHANGE TRADED CONCEPTS, LLC 52,334$959,0000.04%
View complete list of AMPHASTAR PHARMACEUTICALS IN shareholders